具有如下结构的药物属于()
A.镇痛药
B.镇咳药
C.麻醉药
D.镇静药
E.祛痰药
参考答案:B
-----Is this city _______ he visited the other day?
------No, this is the city ________ he was born.
A, that , ,that B. the one, where C. the one, on which D. that , where
票据质权人以质押票据再行背书质押或者背书转让,()。
A、可以适用善意取得
B、背书行为有效
C、背书行为无效
D、票据无效